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f20e6657a8
An integrated multiplexer uses same address space for "muxed bus selection" and "generation of mdio transaction" hence its good to register parent bus from mux driver. Hence added a mechanism where mux driver could register a parent bus and pass it down to framework via mdio_mux_init api. Signed-off-by: Pramod Kumar <pramod.kumar@broadcom.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
24 lines
603 B
C
24 lines
603 B
C
/*
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* MDIO bus multiplexer framwork.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2011, 2012 Cavium, Inc.
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*/
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#ifndef __LINUX_MDIO_MUX_H
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#define __LINUX_MDIO_MUX_H
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#include <linux/device.h>
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#include <linux/phy.h>
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int mdio_mux_init(struct device *dev,
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int (*switch_fn) (int cur, int desired, void *data),
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void **mux_handle,
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void *data,
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struct mii_bus *mux_bus);
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void mdio_mux_uninit(void *mux_handle);
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#endif /* __LINUX_MDIO_MUX_H */
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